【Phoenix Contact】2970921,通用/工业继电器 UMK- 8 OM-R/MF
【Phoenix Contact】2970989,通用/工业继电器 UMK-16 RELS/KSR- 24/21/LA/S8
2970PJO050P30-10,
2970PJO050P40,
2970UOO050P30-10,
2971,W5500 ARDUINO ETHERNET SHIELD
【Phoenix Contact】2971001,接线端子接口模块 UMK-16 RELS/KSR- 24/21/LA/S8E
【Coto Technology】2971-05-00,RELAY REED SPDT 250MA 5V
